SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D. C. 20549

                           --------------------------

                                    FORM T-1

                            STATEMENT OF ELIGIBILITY
                    UNDER THE TRUST INDENTURE ACT OF 1939 OF
                   A CORPORATION DESIGNATED TO ACT AS TRUSTEE

                           --------------------------

                      CHECK IF AN APPLICATION TO DETERMINE
                      ELIGIBILITY OF A TRUSTEE PURSUANT TO
                            SECTION 305(b)(2) _______

                           --------------------------
                     UNITED STATES TRUST COMPANY OF NEW YORK
               (Exact name of trustee as specified in its charter)

               New York                                         13-3818954
   (Jurisdiction of incorporation or                        (I. R. S. Employer
organization if not a U.S. national bank)                 Identification Number)

         114 West 47th Street                                    10036-1532
          New York,  New York                                    (Zip Code)
        (Address of principal
          executive offices)

                           --------------------------
                          NEXTLINK COMMUNICATIONS, INC.
               (Exact name of OBLIGOR as specified in its charter)

               Washington                                        91-1738221
     (State or other jurisdiction of                         (I. R. S. Employer
      incorporation or organization)                         Identification No.)

          155 108th Avenue, NW                                       98004
          Bellevue, Washington                                    (Zip code)
(Address of principal executive offices)

                           --------------------------
                             % Senior Notes due 2009
                       (Title of the indenture securities)

================================================================================

                                      -2-

                                     GENERAL

1.      GENERAL INFORMATION

        Furnish the following information as to the trustee:

        (a)     Name and address of each examining or supervising authority to
                which it is subject.

                Federal Reserve Bank of New York (2nd District), New York, New
                    York (Board of Governors of the Federal Reserve System).
                Federal Deposit Insurance Corporation,  Washington,  D. C.
                New York State Banking Department, Albany, New York

        (b)     Whether it is authorized to exercise corporate trust powers.

                        The trustee is authorized to exercise corporate trust
                        powers.


2.      AFFILIATIONS WITH THE OBLIGOR

        If the obligor is an affiliate of the trustee, describe each such
        affiliation.

        None.

3,4,5,6,7,8,9,10,11,12,13,14 and 15.

        The obligor is currently not in default under any of its outstanding
        securities for which United States Trust Company of New York is Trustee.
        Accordingly, responses to Items 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
        and 15 of Form T-1 are not required under General Instruction B.

16.     LIST OF EXHIBITS

        T-1.1-- Organization Certificate, as amended, issued by the State of New
                York Banking Department to transact business as a Trust Company,
                is incorporated by reference to Exhibit T-1.1 to Form T-1 filed
                on September 15, 1995 with the Commission pursuant to the Trust
                Indenture Act of 1939, as amended by the Trust Indenture Reform
                Act of 1990 (Registration No. 33-97056).

        T-1.2-- Included in Exhibit T-1.1.

        T-1.3-- Included in Exhibit T-1.1.



                                      - 3 -


16.     LIST OF EXHIBITS (continued)

        T-1.4-- The By-laws of the United States Trust Company of New York, as
                amended, is incorporated by reference to Exhibit T-1.4 to Form
                T-1 filed on September 15, 1995 with the Commission pursuant to
                the Trust Indenture Act of 1939, as amended by the Trust
                Indenture Reform Act of 1990 (Registration No. 33-97056).

        T-1.6-- The consent of the trustee required by Section 321(b) of the
                Trust Indenture Act of 1939, as amended by the Trust Indenture
                Reform Act of 1990.

        T-1.7-- A copy of the latest report of condition of the trustee pursuant
                to law or the requirements of its supervising or examining
                authority.

                                      NOTE

        As of May 21, 1999, the trustee had 2,999,020 shares of Common Stock
        outstanding, all of which are owned by its parent company, U. S. Trust
        Corporation. The term "trustee" in Item 2, refers to each of United
        States Trust Company of New York and its parent company, U. S. Trust
        Corporation.

        In answering Item 2 in this statement of eligibility, as to matters
        peculiarly within the knowledge of the obligor or its directors, the
        trustee has relied upon information furnished to it by the obligor and
        will rely on information to be furnished by the obligor and the trustee
        disclaims responsibility for the accuracy or completeness of such
        information.

                             ---------------------

        Pursuant to the requirements of the Trust Indenture Act of 1939, the
        trustee, United States Trust Company of New York, a corporation
        organized and existing under the laws of the State of New York, has duly
        caused this statement of eligibility to be signed on its behalf by the
        undersigned, thereunto duly authorized, all in the City of New York, and
        State of New York, on the 21st day of May, 1999.

        UNITED STATES TRUST COMPANY OF
              NEW YORK, Trustee

By:
        ------------------------------
        Patricia Gallagher
        Assistant Vice President


                                                                   EXHIBIT T-1.6

        The consent of the trustee required by Section 321(b) of the Act.

                     United States Trust Company of New York
                              114 West 47th Street
                               New York, NY 10036


September 1, 1995



Securities and Exchange Commission 450 5th Street, N.W.
Washington, DC  20549

Gentlemen:

Pursuant to the provisions of Section 321(b) of the Trust Indenture Act of 1939,
as amended by the Trust Indenture Reform Act of 1990, and subject to the
limitations set forth therein, United States Trust Company of New York ("U.S.
Trust") hereby consents that reports of examinations of U.S. Trust by Federal,
State, Territorial or District authorities may be furnished by such authorities
to the Securities and Exchange Commission upon request therefor.


Very truly yours,


UNITED STATES TRUST COMPANY
         OF NEW YORK



By:      ---------------------
         /s/ Gerard F. Ganey
         Senior Vice President


                                                                   EXHIBIT T-1.7

                     UNITED STATES TRUST COMPANY OF NEW YORK
                       CONSOLIDATED STATEMENT OF CONDITION
                                 MARCH 31, 1999
                                ($ IN THOUSANDS)

ASSETS
Cash and Due from Banks                                               $  139,755

Short-Term Investments                                                    85,326

Securities, Available for Sale                                           528,160

Loans                                                                  2,081,103
Less:  Allowance for Credit Losses                                        17,114
                                                                      ----------
      Net Loans                                                        2,063,989
Premises and Equipment                                                    57,765
Other Assets                                                             125,780
                                                                      ----------
      TOTAL ASSETS                                                    $3,000,775
                                                                      ==========

LIABILITIES
Deposits:
      Non-Interest Bearing                                            $  623,046
      Interest Bearing                                                 1,875,364
                                                                      ----------
         Total Deposits                                                2,498,410

Short-Term Credit Facilities                                             184,281
Accounts Payable and Accrued Liabilities                                 126,652
                                                                      ----------
      TOTAL LIABILITIES                                               $2,809,343
                                                                      ==========

STOCKHOLDER'S EQUITY
Common Stock                                                              14,995
Capital Surplus                                                           53,041
Retained Earnings                                                        121,759
Unrealized Gains on Securities
     Available for Sale (Net of Taxes)                                     1,637
                                                                      ----------

TOTAL STOCKHOLDER'S EQUITY                                               191,432
                                                                      ----------
    TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY                        $3,000,775
                                                                      ==========

I, Richard E. Brinkmann, Managing Director & Comptroller of the named bank do
hereby declare that this Statement of Condition has been prepared in conformance
with the instructions issued by the appropriate regulatory authority and is true
to the best of my knowledge and belief.

Richard E. Brinkmann, Managing Director & Controller

May 18, 1999